To reset the 1998 Pontiac Firebird oil change light, please follow these instructions:

1. Turn the ignition to run (one position before starting engine).
2. Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. The Change Oil message flashes for 5 seconds when reset.
3. Turn the ignition off and then start the engine to verify the indicator has been reset.